 * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.6;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 导航栏样式 */
        header {
            background-color: #2c3e50;
            color: white;
            padding: 1rem 0;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: bold;
        }

        .nav-links {
            display: flex;
            list-style: none;
        }

        .nav-links li {
            margin-left: 1.5rem;
        }

        .nav-links a {
            color: white;
            text-decoration: none;
            transition: color 0.3s;
        }

        .nav-links a:hover {
            color: #3498db;
        }

        /* 主要内容区域 */
        main {
            padding: 2rem 0;
        }

        /* 英雄区域 */
        .hero {
            text-align: center;
            padding: 4rem 0;
            background: linear-gradient(135deg, #3498db, #2c3e50);
            color: white;
            border-radius: 10px;
            margin-bottom: 2rem;
        }

        .hero h1 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }

        .hero p {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-button {
            display: inline-block;
            background-color: #e74c3c;
            color: white;
            padding: 0.8rem 1.5rem;
            border-radius: 30px;
            text-decoration: none;
            font-weight: bold;
            transition: background-color 0.3s;
        }

        .cta-button:hover {
            background-color: #c0392b;
        }

        /* 特性区域 */
        .features {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
            margin-bottom: 3rem;
        }

        .feature {
            flex: 1;
            min-width: 300px;
            background-color: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s;
        }

        .feature:hover {
            transform: translateY(-5px);
        }

        .feature h2 {
            color: #2c3e50;
            margin-bottom: 1rem;
            font-size: 1.5rem;
        }

        /* 页脚区域 */
        footer {
            background-color: #2c3e50;
            color: white;
            padding: 2rem 0;
            margin-top: 2rem;
        }

        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
        }

        .footer-section {
            flex: 1;
            min-width: 200px;
            margin-bottom: 1.5rem;
        }

        .footer-section h3 {
            margin-bottom: 1rem;
            font-size: 1.2rem;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #34495e;
            margin-top: 1.5rem;
        }

        /* 备案信息样式 */
        .beian {
            font-size: 0.9rem;
            color: #bdc3c7;
            margin-top: 1rem;
        }

        .beian a {
            color: #bdc3c7;
            text-decoration: none;
            transition: color 0.3s;
        }

        .beian a:hover {
            color: #3498db;
            text-decoration: underline;
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .nav-links {
                flex-direction: column;
                gap: 0.5rem;
            }

            .features {
                flex-direction: column;
            }

            .footer-content {
                flex-direction: column;
            }
        }